Improve Power and Performance with CountryMark’s Premium Dieselex-4
CountryMark’s Premium Dieselex-4 fuel was evaluated for its impact on fuel and DEF consumption, emissions output, and engine performance following a…
Powering fleets, farms and families.
The quality of what goes into the tank results from what goes into the production. Every mile of the way, from the wellhead to your engine, CountryMark maintains the highest levels of integrity in making fuels that meet a range of on- and off-road demands. Premium diesel. PLUS GasolineTM. Renewable Diesel and more. See what sets us apart.

Extending engine lives and investments.
CountryMark customers don’t consider our Advantage Lubricants as consumable products, but as part of their strategy for protecting and prolonging the service life of high-value equipment. That’s because we’ve poured six decades-plus into formulating multiple lubricants that are better for engines, not to mention bottom lines. Explore your options.

CountryMark’s Premium Dieselex-4 fuel was evaluated for its impact on fuel and DEF consumption, emissions output, and engine performance following a…
CountryMark’s Fueling Wishes fundraiser at the CountryMark fuel station in Camby, Indiana raised $10,000 for a Marion County child battling a life-t…
CountryMark President and CEO Matt Smorch joined AgriNovus Indiana’s Agbioscience podcast to share CountryMark’s recent innovations in the Hoosier…
If you’re interested in purchasing CountryMark fuel or lubricant products, visit our Contact Us page and let us know where you’d like to see CountryMark fuel and lubricant products next.